EP4742499A2 - Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit - Google Patents

Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit

Info

Publication number
EP4742499A2
EP4742499A2 EP26169163.8A EP26169163A EP4742499A2 EP 4742499 A2 EP4742499 A2 EP 4742499A2 EP 26169163 A EP26169163 A EP 26169163A EP 4742499 A2 EP4742499 A2 EP 4742499A2
Authority
EP
European Patent Office
Prior art keywords
power
wireless power
packet
received power
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP26169163.8A
Other languages
English (en)
French (fr)
Inventor
Yongcheol Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4742499A2 publication Critical patent/EP4742499A2/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/60Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24Inductive coupling
    • H04B5/26Inductive coupling using coils
    • H04B5/263Multiple coils at either side
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24Inductive coupling
    • H04B5/26Inductive coupling using coils
    • H04B5/266One coil at each side, e.g. with primary and secondary coils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/45Transponders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Transmitters (AREA)
EP26169163.8A 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit Pending EP4742499A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20190122594 2019-10-02
EP20872190.2A EP4009489A4 (de) 2019-10-02 2020-10-05 Drahtlose leistungsempfangsvorrichtung, drahtlose leistungsübertragungsvorrichtung und leistungskalibrierungsverfahren damit
PCT/KR2020/013484 WO2021066611A1 (ko) 2019-10-02 2020-10-05 무선전력 수신장치, 무선전력 전송장치 및 이들을 이용한 전력 보정 방법

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP20872190.2A Division EP4009489A4 (de) 2019-10-02 2020-10-05 Drahtlose leistungsempfangsvorrichtung, drahtlose leistungsübertragungsvorrichtung und leistungskalibrierungsverfahren damit

Publications (1)

Publication Number Publication Date
EP4742499A2 true EP4742499A2 (de) 2026-05-13

Family

ID=75338441

Family Applications (4)

Application Number Title Priority Date Filing Date
EP24217194.0A Pending EP4496181A3 (de) 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit
EP26169169.5A Pending EP4742500A2 (de) 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit
EP26169163.8A Pending EP4742499A2 (de) 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit
EP20872190.2A Pending EP4009489A4 (de) 2019-10-02 2020-10-05 Drahtlose leistungsempfangsvorrichtung, drahtlose leistungsübertragungsvorrichtung und leistungskalibrierungsverfahren damit

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP24217194.0A Pending EP4496181A3 (de) 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit
EP26169169.5A Pending EP4742500A2 (de) 2019-10-02 2020-10-05 Drahtlose stromempfangsvorrichtung, drahtlose stromübertragungsvorrichtung und stromkalibrierungsverfahren damit

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20872190.2A Pending EP4009489A4 (de) 2019-10-02 2020-10-05 Drahtlose leistungsempfangsvorrichtung, drahtlose leistungsübertragungsvorrichtung und leistungskalibrierungsverfahren damit

Country Status (5)

Country Link
US (3) US11108281B2 (de)
EP (4) EP4496181A3 (de)
KR (4) KR102880951B1 (de)
CN (4) CN120601635A (de)
WO (1) WO2021066611A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019208960A1 (ko) * 2018-04-25 2019-10-31 엘지전자 주식회사 무선전력 전송 시스템에서 전력 보정을 수행하는 장치 및 방법
JP7427395B2 (ja) * 2019-08-29 2024-02-05 キヤノン株式会社 受電装置、制御方法及びプログラム
CN120601635A (zh) 2019-10-02 2025-09-05 Lg 电子株式会社 无线功率接收装置、无线功率发送装置以及使用其的功率校准方法
JP7565692B2 (ja) * 2020-02-14 2024-10-11 キヤノン株式会社 送電装置、送電装置が行う方法、およびプログラム
JP7471905B2 (ja) * 2020-05-08 2024-04-22 キヤノン株式会社 受電装置、送電装置、それらの制御方法、およびプログラム
JP7630234B2 (ja) * 2020-05-08 2025-02-17 キヤノン株式会社 受電装置及び方法
US12620837B2 (en) 2021-12-07 2026-05-05 Samsung Electronics Co., Ltd. Method for detecting foreign object and electronic device
JP7707088B2 (ja) * 2022-01-14 2025-07-14 キヤノン株式会社 受電装置および方法
WO2025084871A1 (ko) * 2023-10-20 2025-04-24 엘지전자 주식회사 무선 전력 전송 시스템에서 슬롯 q를 이용한 재 보정 방법 및 장치

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010016985A (ja) * 2008-07-03 2010-01-21 Sanyo Electric Co Ltd 電力搬送における情報伝送方法とこの情報伝送方法を使用する充電台と電池内蔵機器
BR112013031018A2 (pt) * 2011-06-03 2016-11-29 Toyota Motor Co Ltd dispositivo de recepção de energia sem contato e veículo incluindo o mesmo, dispositivo de transmissão de energia sem contato e sistema de transferência de energia sem contato
US9270124B2 (en) * 2011-06-30 2016-02-23 Semiconductor Energy Laboratory Co., Ltd. Contactless power supply device
US9444289B2 (en) * 2011-09-09 2016-09-13 Lg Electronics Inc. Wireless power system and resonant frequency changing method thereof
BR112015008218B1 (pt) * 2012-10-16 2021-12-21 Koninklijke Philips N.V. Ransmissor de potência sem fio, sistema de transferência de potência, método de operação de um transmissor de potência, e receptor de potência
JP6230318B2 (ja) * 2013-07-29 2017-11-15 キヤノン株式会社 受電装置、受電装置の制御方法、及びプログラム
EP3123587B1 (de) * 2014-03-25 2018-06-06 Koninklijke Philips N.V. Drahtlose induktive leistungsübertragung
WO2015156628A1 (ko) * 2014-04-11 2015-10-15 엘지전자(주) 무선 전력 송신기 및 무선 전력 송신 방법
JP6632299B2 (ja) * 2015-09-29 2020-01-22 ローム株式会社 ワイヤレス送電装置、その制御回路、充電器、およびパワーロスメソッドによる異物検出のキャリブレーション方法
US10530196B2 (en) * 2016-02-05 2020-01-07 Texas Instruments Incorporated Methods and apparatus for power loss calibration in a wireless power system
CN109463026B (zh) * 2016-06-08 2022-07-12 Lg 电子株式会社 无线电力传输方法及其设备
KR20170140685A (ko) * 2016-06-13 2017-12-21 엘지이노텍 주식회사 이물질 검출 방법 및 그를 위한 장치 및 시스템
US11070095B2 (en) * 2016-07-01 2021-07-20 Lg Innotek Co., Ltd. Method for detecting foreign material, and device and system therefor
US11437849B2 (en) * 2017-11-02 2022-09-06 Lg Innotek Co., Ltd. Wireless charging method and apparatus therefor
EP4742492A2 (de) * 2018-01-10 2026-05-13 LG Electronics Inc. Vorrichtung und verfahren zur durchführung von leistungskalibrierung in einem drahtlosen leistungsübertragungssystem
KR102625423B1 (ko) * 2018-01-15 2024-01-16 삼성전자 주식회사 무선 충전 중단 사유 전송 방법 및 이를 사용하는 전자 장치
US10903677B2 (en) * 2018-07-31 2021-01-26 International Business Machines Corporation Prioritizing an inductive charging of each device of multiple devices based on power preferences
CN120601635A (zh) 2019-10-02 2025-09-05 Lg 电子株式会社 无线功率接收装置、无线功率发送装置以及使用其的功率校准方法

Also Published As

Publication number Publication date
KR20240135077A (ko) 2024-09-10
CN120601635A (zh) 2025-09-05
KR20250160232A (ko) 2025-11-11
CN120601636A (zh) 2025-09-05
US20220109333A1 (en) 2022-04-07
EP4496181A2 (de) 2025-01-22
CN114450868B (zh) 2025-05-23
CN120601637A (zh) 2025-09-05
EP4496181A3 (de) 2025-04-02
US11728694B2 (en) 2023-08-15
WO2021066611A1 (ko) 2021-04-08
EP4742500A2 (de) 2026-05-13
EP4009489A4 (de) 2022-09-14
US11108281B2 (en) 2021-08-31
KR20220032580A (ko) 2022-03-15
KR102880951B1 (ko) 2025-11-12
CN114450868A (zh) 2022-05-06
KR20250160231A (ko) 2025-11-11
US20210184513A1 (en) 2021-06-17
EP4009489A1 (de) 2022-06-08
KR102704434B1 (ko) 2024-09-09
US11539249B2 (en) 2022-12-27
US20230084721A1 (en) 2023-03-16

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